/*
 * Copyright (c) 2012-2013 Open Source Community - <http://www.peerfact.org>
 * Copyright (c) 2011-2012 University of Paderborn - UPB
 * Copyright (c) 2005-2011 KOM - Multimedia Communications Lab
 *
 * This file is part of PeerfactSim.KOM.
 * 
 * PeerfactSim.KOM is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version.
 * 
 * PeerfactSim.KOM is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with PeerfactSim.KOM.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package org.peerfact.api.analyzer;

import org.peerfact.api.common.Host;

/**
 * ConnectivityAnalyzers receive notifications when the network connectivity has
 * been changed of churn affected hosts
 * 
 */
public interface ConnectivityAnalyzer extends Analyzer {

	/**
	 * Invoking this method denotes that the given host does not have network
	 * connectivity.
	 * 
	 * @param host
	 *            the churn affected host
	 */
	public void offlineEvent(Host host);

	/**
	 * Invoking this method denotes that the given host does have network
	 * connectivity.
	 * 
	 * @param host
	 *            the churn affected host
	 */
	public void onlineEvent(Host host);

	/**
	 * Invoking this method denotes that the given host is isolated.
	 * 
	 * @param host
	 *            the isolation affected host
	 */
	public void isolationEvent(Host host);

	/**
	 * Invoking this method denotes that the given host does have global access.
	 * 
	 * @param host
	 *            the isolation affected host
	 */
	public void globalEvent(Host host);

}